Simple IPC Mechanism

Here is version V7 of my simple-ipc series. The only change from V6 is to squash in the CALLOC_ARRAY() suggestion.

$ git range-diff v2.31.0-rc1..pr-766/jeffhostetler/simple-ipc-v6
v2.31.0-rc1..HEAD 1: fe35dc3d29 = 1: fe35dc3d29 pkt-line: eliminate the need
for static buffer in packet_write_gently() 2: de11b30361 = 2: de11b30361
pkt-line: do not issue flush packets in write_packetized_*() 3: 3718da39da =
3: 3718da39da pkt-line: add PACKET_READ_GENTLE_ON_READ_ERROR option 4:
b43df7ad0b = 4: b43df7ad0b pkt-line: add options argument to
read_packetized_to_strbuf() 5: f829feb2aa = 5: f829feb2aa simple-ipc: design
documentation for new IPC mechanism 6: 58c3fb7cd7 = 6: 58c3fb7cd7
simple-ipc: add win32 implementation 7: 4e8c352fb3 = 7: 4e8c352fb3
unix-socket: eliminate static unix_stream_socket() helper function 8:
3b71f52d86 = 8: 3b71f52d86 unix-socket: add backlog size option to
unix_stream_listen() 9: 5972a19836 = 9: 5972a19836 unix-socket: disallow
chdir() when creating unix domain sockets 10: 02c885fd62 = 10: 02c885fd62
unix-stream-server: create unix domain socket under lock 11: 4c2199231d !
11: eee5f4796d simple-ipc: add Unix domain socket implementation @@
compat/simple-ipc/ipc-unix-socket.c (new) +
pthread_cond_init(&server_data->work_available_cond, NULL); + +
server_data->queue_size = nr_threads * FIFO_SCALE; -+ server_data->fifo_fds
= xcalloc(server_data->queue_size, -+ sizeof(*server_data->fifo_fds)); ++
CALLOC_ARRAY(server_data->fifo_fds, server_data->queue_size); + +
server_data->accept_thread = + xcalloc(1,
sizeof(*server_data->accept_thread)); 12: 132b6f3271 = 12: 8b5dcca684 t0052:
add simple-ipc tests and t/helper/test-simple-ipc tool

Jeff

Jeff Hostetler (9):
pkt-line: eliminate the need for static buffer in
packet_write_gently()
simple-ipc: design documentation for new IPC mechanism
simple-ipc: add win32 implementation
unix-socket: eliminate static unix_stream_socket() helper function
unix-socket: add backlog size option to unix_stream_listen()
unix-socket: disallow chdir() when creating unix domain sockets
unix-stream-server: create unix domain socket under lock
simple-ipc: add Unix domain socket implementation
t0052: add simple-ipc tests and t/helper/test-simple-ipc tool

Johannes Schindelin (3):
pkt-line: do not issue flush packets in write_packetized_*()
pkt-line: add PACKET_READ_GENTLE_ON_READ_ERROR option
pkt-line: add options argument to read_packetized_to_strbuf()

 Documentation/technical/api-simple-ipc.txt | 105 +++
 Makefile                                   |   9 +
 builtin/credential-cache--daemon.c         |   3 +-
 builtin/credential-cache.c                 |   2 +-
 compat/simple-ipc/ipc-shared.c             |  28 +
 compat/simple-ipc/ipc-unix-socket.c        | 999 +++++++++++++++++++++
 compat/simple-ipc/ipc-win32.c              | 751 ++++++++++++++++
 config.mak.uname                           |   2 +
 contrib/buildsystems/CMakeLists.txt        |   8 +-
 convert.c                                  |  11 +-
 pkt-line.c                                 |  59 +-
 pkt-line.h                                 |  17 +-
 simple-ipc.h                               | 239 +++++
 t/helper/test-simple-ipc.c                 | 787 ++++++++++++++++
 t/helper/test-tool.c                       |   1 +
 t/helper/test-tool.h                       |   1 +
 t/t0052-simple-ipc.sh                      | 122 +++
 unix-socket.c                              |  53 +-
 unix-socket.h                              |  12 +-
 unix-stream-server.c                       | 125 +++
 unix-stream-server.h                       |  33 +
 21 files changed, 3315 insertions(+), 52 deletions(-)
 create mode 100644 Documentation/technical/api-simple-ipc.txt
 create mode 100644 compat/simple-ipc/ipc-shared.c
 create mode 100644 compat/simple-ipc/ipc-unix-socket.c
 create mode 100644 compat/simple-ipc/ipc-win32.c
 create mode 100644 simple-ipc.h
 create mode 100644 t/helper/test-simple-ipc.c
 create mode 100755 t/t0052-simple-ipc.sh
 create mode 100644 unix-stream-server.c
 create mode 100644 unix-stream-server.h

base-commit: f01623b2c9d14207e497b21ebc6b3ec4afaf4b46
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-766%2Fjeffhostetler%2Fsimple-ipc-v7
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-766/jeffhostetler/simple-ipc-v7
Pull-Request: https://github.com/gitgitgadget/git/pull/766

Range-diff vs v6:

  1:  fe35dc3d292d =  1:  fe35dc3d292d pkt-line: eliminate the need for static buffer in packet_write_gently()
  2:  de11b3036148 =  2:  de11b3036148 pkt-line: do not issue flush packets in write_packetized_*()
  3:  3718da39da30 =  3:  3718da39da30 pkt-line: add PACKET_READ_GENTLE_ON_READ_ERROR option
  4:  b43df7ad0b7a =  4:  b43df7ad0b7a pkt-line: add options argument to read_packetized_to_strbuf()
  5:  f829feb2aa93 =  5:  f829feb2aa93 simple-ipc: design documentation for new IPC mechanism
  6:  58c3fb7cd776 =  6:  58c3fb7cd776 simple-ipc: add win32 implementation
  7:  4e8c352fb366 =  7:  4e8c352fb366 unix-socket: eliminate static unix_stream_socket() helper function
  8:  3b71f52d8628 =  8:  3b71f52d8628 unix-socket: add backlog size option to unix_stream_listen()
  9:  5972a198361c =  9:  5972a198361c unix-socket: disallow chdir() when creating unix domain sockets
 10:  02c885fd623d = 10:  02c885fd623d unix-stream-server: create unix domain socket under lock
 11:  4c2199231d05 ! 11:  eee5f4796d37 simple-ipc: add Unix domain socket implementation
     @@ compat/simple-ipc/ipc-unix-socket.c (new)
      +	pthread_cond_init(&server_data->work_available_cond, NULL);
      +
      +	server_data->queue_size = nr_threads * FIFO_SCALE;
     -+	server_data->fifo_fds = xcalloc(server_data->queue_size,
     -+					sizeof(*server_data->fifo_fds));
     ++	CALLOC_ARRAY(server_data->fifo_fds, server_data->queue_size);
      +
      +	server_data->accept_thread =
      +		xcalloc(1, sizeof(*server_data->accept_thread));

12: 132b6f3271be = 12: 8b5dcca68440 t0052: add simple-ipc tests and t/helper/test-simple-ipc tool

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